diff options
Diffstat (limited to 'drivers/mtd')
77 files changed, 3156 insertions, 2873 deletions
diff --git a/drivers/mtd/Kconfig b/drivers/mtd/Kconfig index c77f537323ec..1e18c9639c3e 100644 --- a/drivers/mtd/Kconfig +++ b/drivers/mtd/Kconfig @@ -22,56 +22,6 @@ config MTD_TESTS WARNING: some of the tests will ERASE entire MTD device which they test. Do not use these tests unless you really know what you do. -config MTD_REDBOOT_PARTS - tristate "RedBoot partition table parsing" - help - RedBoot is a ROM monitor and bootloader which deals with multiple - 'images' in flash devices by putting a table one of the erase - blocks on the device, similar to a partition table, which gives - the offsets, lengths and names of all the images stored in the - flash. - - If you need code which can detect and parse this table, and register - MTD 'partitions' corresponding to each image in the table, enable - this option. - - You will still need the parsing functions to be called by the driver - for your particular device. It won't happen automatically. The - SA1100 map driver (CONFIG_MTD_SA1100) has an option for this, for - example. - -if MTD_REDBOOT_PARTS - -config MTD_REDBOOT_DIRECTORY_BLOCK - int "Location of RedBoot partition table" - default "-1" - help - This option is the Linux counterpart to the - CYGNUM_REDBOOT_FIS_DIRECTORY_BLOCK RedBoot compile time - option. - - The option specifies which Flash sectors holds the RedBoot - partition table. A zero or positive value gives an absolute - erase block number. A negative value specifies a number of - sectors before the end of the device. - - For example "2" means block number 2, "-1" means the last - block and "-2" means the penultimate block. - -config MTD_REDBOOT_PARTS_UNALLOCATED - bool "Include unallocated flash regions" - help - If you need to register each unallocated flash region as a MTD - 'partition', enable this option. - -config MTD_REDBOOT_PARTS_READONLY - bool "Force read-only for RedBoot system images" - help - If you need to force read-only for 'RedBoot', 'RedBoot Config' and - 'FIS directory' images, enable this option. - -endif # MTD_REDBOOT_PARTS - config MTD_CMDLINE_PARTS tristate "Command line partition table parsing" depends on MTD @@ -144,7 +94,7 @@ config MTD_BCM63XX_PARTS depends on BCM63XX || BMIPS_GENERIC || COMPILE_TEST select CRC32 help - This provides partions parsing for BCM63xx devices with CFE + This provides partition parsing for BCM63xx devices with CFE bootloaders. config MTD_BCM47XX_PARTS diff --git a/drivers/mtd/Makefile b/drivers/mtd/Makefile index 93473d215a38..58fc327a5276 100644 --- a/drivers/mtd/Makefile +++ b/drivers/mtd/Makefile @@ -8,7 +8,6 @@ obj-$(CONFIG_MTD) += mtd.o mtd-y := mtdcore.o mtdsuper.o mtdconcat.o mtdpart.o mtdchar.o obj-$(CONFIG_MTD_OF_PARTS) += ofpart.o -obj-$(CONFIG_MTD_REDBOOT_PARTS) += redboot.o obj-$(CONFIG_MTD_CMDLINE_PARTS) += cmdlinepart.o obj-$(CONFIG_MTD_AFS_PARTS) += afs.o obj-$(CONFIG_MTD_AR7_PARTS) += ar7part.o diff --git a/drivers/mtd/chips/cfi_cmdset_0020.c b/drivers/mtd/chips/cfi_cmdset_0020.c index 35aa72b720a6..e752067526a5 100644 --- a/drivers/mtd/chips/cfi_cmdset_0020.c +++ b/drivers/mtd/chips/cfi_cmdset_0020.c @@ -324,6 +324,7 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof case FL_JEDEC_QUERY: map_write(map, CMD(0x70), cmd_addr); chip->state = FL_STATUS; + /* Fall through */ case FL_STATUS: status = map_read(map, cmd_addr); @@ -461,6 +462,7 @@ static int do_write_buffer(struct map_info *map, struct flchip *chip, #ifdef DEBUG_CFI_FEATURES printk("%s: 1 status[%x]\n", __func__, map_read(map, cmd_adr)); #endif + /* Fall through */ case FL_STATUS: status = map_read(map, cmd_adr); @@ -754,6 +756,7 @@ retry: case FL_READY: map_write(map, CMD(0x70), adr); chip->state = FL_STATUS; + /* Fall through */ case FL_STATUS: status = map_read(map, adr); @@ -995,6 +998,7 @@ static void cfi_staa_sync (struct mtd_info *mtd) * as the whole point is that nobody can do anything * with the chip now anyway. */ + /* Fall through */ case FL_SYNCING: mutex_unlock(&chip->mutex); break; @@ -1050,6 +1054,7 @@ retry: case FL_READY: map_write(map, CMD(0x70), adr); chip->state = FL_STATUS; + /* Fall through */ case FL_STATUS: status = map_read(map, adr); @@ -1196,6 +1201,7 @@ retry: case FL_READY: map_write(map, CMD(0x70), adr); chip->state = FL_STATUS; + /* Fall through */ case FL_STATUS: status = map_read(map, adr); diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c index c9e424993e37..410a321682e6 100644 --- a/drivers/mtd/devices/block2mtd.c +++ b/drivers/mtd/devices/block2mtd.c @@ -329,8 +329,10 @@ static int ustrtoul(const char *cp, char **endp, unsigned int base) switch (**endp) { case 'G' : result *= 1024; + /* fall through */ case 'M': result *= 1024; + /* fall through */ case 'K': case 'k': result *= 1024; diff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c index 512bd4c2eec0..4c94fc096696 100644 --- a/drivers/mtd/devices/docg3.c +++ b/drivers/mtd/devices/docg3.c @@ -1603,7 +1603,7 @@ static void doc_unregister_sysfs(struct platform_device *pdev, /* * Debug sysfs entries */ -static int dbg_flashctrl_show(struct seq_file *s, void *p) +static int flashcontrol_show(struct seq_file *s, void *p) { struct docg3 *docg3 = (struct docg3 *)s->private; @@ -1623,9 +1623,9 @@ static int dbg_flashctrl_show(struct seq_file *s, void *p) return 0; } -DEBUGFS_RO_ATTR(flashcontrol, dbg_flashctrl_show); +DEFINE_SHOW_ATTRIBUTE(flashcontrol); -static int dbg_asicmode_show(struct seq_file *s, void *p) +static int asic_mode_show(struct seq_file *s, void *p) { struct docg3 *docg3 = (struct docg3 *)s->private; @@ -1660,9 +1660,9 @@ static int dbg_asicmode_show(struct seq_file *s, void *p) seq_puts(s, ")\n"); return 0; } -DEBUGFS_RO_ATTR(asic_mode, dbg_asicmode_show); +DEFINE_SHOW_ATTRIBUTE(asic_mode); -static int dbg_device_id_show(struct seq_file *s, void *p) +static int device_id_show(struct seq_file *s, void *p) { struct docg3 *docg3 = (struct docg3 *)s->private; int id; @@ -1674,9 +1674,9 @@ static int dbg_device_id_show(struct seq_file *s, void *p) seq_printf(s, "DeviceId = %d\n", id); return 0; } -DEBUGFS_RO_ATTR(device_id, dbg_device_id_show); +DEFINE_SHOW_ATTRIBUTE(device_id); -static int dbg_protection_show(struct seq_file *s, void *p) +static int protection_show(struct seq_file *s, void *p) { struct docg3 *docg3 = (struct docg3 *)s->private; int protect, dps0, dps0_low, dps0_high, dps1, dps1_low, dps1_high; @@ -1726,7 +1726,7 @@ static int dbg_protection_show(struct seq_file *s, void *p) !!(dps1 & DOC_DPS_KEY_OK)); return 0; } -DEBUGFS_RO_ATTR(protection, dbg_protection_show); +DEFINE_SHOW_ATTRIBUTE(protection); static void __init doc_dbg_register(struct mtd_info *floor) { diff --git a/drivers/mtd/devices/docg3.h b/drivers/mtd/devices/docg3.h index e99946575398..e16dca23655b 100644 --- a/drivers/mtd/devices/docg3.h +++ b/drivers/mtd/devices/docg3.h @@ -317,17 +317,6 @@ struct docg3 { #define doc_info(fmt, arg...) dev_info(docg3->dev, (fmt), ## arg) #define doc_dbg(fmt, arg...) dev_dbg(docg3->dev, (fmt), ## arg) #define doc_vdbg(fmt, arg...) dev_vdbg(docg3->dev, (fmt), ## arg) - -#define DEBUGFS_RO_ATTR(name, show_fct) \ - static int name##_open(struct inode *inode, struct file *file) \ - { return single_open(file, show_fct, inode->i_private); } \ - static const struct file_operations name##_fops = { \ - .owner = THIS_MODULE, \ - .open = name##_open, \ - .llseek = seq_lseek, \ - .read = seq_read, \ - .release = single_release \ - }; #endif /* diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig index afb36bff13a7..e0cf869c8544 100644 --- a/drivers/mtd/maps/Kconfig +++ b/drivers/mtd/maps/Kconfig @@ -66,15 +66,15 @@ config MTD_PHYSMAP_BANKWIDTH used internally by the CFI drivers. config MTD_PHYSMAP_OF - tristate "Memory device in physical memory map based on OF description" - depends on OF && (MTD_CFI || MTD_JEDECPROBE || MTD_ROM || MTD_RAM) + bool "Memory device in physical memory map based on OF description" + depends on OF && MTD_PHYSMAP help This provides a 'mapping' driver which allows the NOR Flash, ROM and RAM driver code to communicate with chips which are mapped physically into the CPU's memory. The mapping description here is taken from OF device tree. -config MTD_PHYSMAP_OF_VERSATILE +config MTD_PHYSMAP_VERSATILE bool "ARM Versatile OF-based physical memory map handling" depends on MTD_PHYSMAP_OF depends on MFD_SYSCON @@ -84,16 +84,26 @@ config MTD_PHYSMAP_OF_VERSATILE platforms, basically to add a VPP (write protection) callback so the flash can be taken out of write protection. -config MTD_PHYSMAP_OF_GEMINI +config MTD_PHYSMAP_GEMINI bool "Cortina Gemini OF-based physical memory map handling" depends on MTD_PHYSMAP_OF depends on MFD_SYSCON + select MTD_COMPLEX_MAPPINGS default ARCH_GEMINI help This provides some extra DT physmap parsing for the Gemini platforms, some detection and setting up parallel mode on the external interface. +config MTD_PHYSMAP_GPIO_ADDR + bool "GPIO-assisted Flash Chip Support" + depends on MTD_PHYSMAP + depends on GPIOLIB || COMPILE_TEST + depends on MTD_COMPLEX_MAPPINGS + help + Extend the physmap driver to allow flashes to be partially + physically addressed and assisted by GPIOs. + config MTD_PMC_MSP_EVM tristate "CFI Flash device mapped on PMC-Sierra MSP" depends on PMC_MSP && MTD_CFI @@ -334,16 +344,6 @@ config MTD_PCMCIA_ANONYMOUS If unsure, say N. -config MTD_GPIO_ADDR - tristate "GPIO-assisted Flash Chip Support" - depends on GPIOLIB || COMPILE_TEST - depends on MTD_COMPLEX_MAPPINGS - help - Map driver which allows flashes to be partially physically addressed - and assisted by GPIOs. - - If compiled as a module, it will be called gpio-addr-flash. - config MTD_UCLINUX bool "Generic uClinux RAM/ROM filesystem support" depends on (MTD_RAM=y || MTD_ROM=y) && (!MMU || COLDFIRE) @@ -400,13 +400,4 @@ config MTD_PISMO When built as a module, it will be called pismo.ko -config MTD_LATCH_ADDR - tristate "Latch-assisted Flash Chip Support" - depends on MTD_COMPLEX_MAPPINGS - help - Map driver which allows flashes to be partially physically addressed - and have the upper address lines set by a board specific code. - - If compiled as a module, it will be called latch-addr-flash. - endmenu diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile index 51acf1fec19b..1146009f41df 100644 --- a/drivers/mtd/maps/Makefile +++ b/drivers/mtd/maps/Makefile @@ -17,12 +17,11 @@ obj-$(CONFIG_MTD_ICHXROM) += ichxrom.o obj-$(CONFIG_MTD_CK804XROM) += ck804xrom.o obj-$(CONFIG_MTD_TSUNAMI) += tsunami_flash.o obj-$(CONFIG_MTD_PXA2XX) += pxa2xx-flash.o +physmap-objs-y += physmap-core.o +physmap-objs-$(CONFIG_MTD_PHYSMAP_VERSATILE) += physmap-versatile.o +physmap-objs-$(CONFIG_MTD_PHYSMAP_GEMINI) += physmap-gemini.o +physmap-objs := $(physmap-objs-y) obj-$(CONFIG_MTD_PHYSMAP) += physmap.o -physmap_of-objs-y += physmap_of_core.o -physmap_of-objs-$(CONFIG_MTD_PHYSMAP_OF_VERSATILE) += physmap_of_versatile.o -physmap_of-objs-$(CONFIG_MTD_PHYSMAP_OF_GEMINI) += physmap_of_gemini.o -physmap_of-objs := $(physmap_of-objs-y) -obj-$(CONFIG_MTD_PHYSMAP_OF) += physmap_of.o obj-$(CONFIG_MTD_PISMO) += pismo.o obj-$(CONFIG_MTD_PMC_MSP_EVM) += pmcmsp-flash.o obj-$(CONFIG_MTD_PCMCIA) += pcmciamtd.o @@ -44,6 +43,4 @@ obj-$(CONFIG_MTD_PLATRAM) += plat-ram.o obj-$(CONFIG_MTD_INTEL_VR_NOR) += intel_vr_nor.o obj-$(CONFIG_MTD_RBTX4939) += rbtx4939-flash.o obj-$(CONFIG_MTD_VMU) += vmu-flash.o -obj-$(CONFIG_MTD_GPIO_ADDR) += gpio-addr-flash.o -obj-$(CONFIG_MTD_LATCH_ADDR) += latch-addr-flash.o obj-$(CONFIG_MTD_LANTIQ) += lantiq-flash.o diff --git a/drivers/mtd/maps/gpio-addr-flash.c b/drivers/mtd/maps/gpio-addr-flash.c deleted file mode 100644 index a20e85aa770e..000000000000 --- a/drivers/mtd/maps/gpio-addr-flash.c +++ /dev/null @@ -1,281 +0,0 @@ -/* - * drivers/mtd/maps/gpio-addr-flash.c - * - * Handle the case where a flash device is mostly addressed using physical - * line and supplemented by GPIOs. This way you can hook up say a 8MiB flash - * to a 2MiB memory range and use the GPIOs to select a particular range. - * - * Copyright © 2000 Nicolas Pitre <nico@cam.org> - * Copyright © 2005-2009 Analog Devices Inc. - * - * Enter bugs at http://blackfin.uclinux.org/ - * - * Licensed under the GPL-2 or later. - */ - -#include <linux/gpio.h> -#include <linux/gpio/consumer.h> -#include <linux/io.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/map.h> -#include <linux/mtd/partitions.h> -#include <linux/mtd/physmap.h> -#include <linux/platform_device.h> -#include <linux/slab.h> -#include <linux/types.h> - -#define win_mask(x) ((BIT(x)) - 1) - -#define DRIVER_NAME "gpio-addr-flash" - -/** - * struct async_state - keep GPIO flash state - * @mtd: MTD state for this mapping - * @map: MTD map state for this flash - * @gpios: Struct containing the array of GPIO descriptors - * @gpio_values: cached GPIO values - * @win_order: dedicated memory size (if no GPIOs) - */ -struct async_state { - struct mtd_info *mtd; - struct map_info map; - struct gpio_descs *gpios; - unsigned int gpio_values; - unsigned int win_order; -}; -#define gf_map_info_to_state(mi) ((struct async_state *)(mi)->map_priv_1) - -/** - * gf_set_gpios() - set GPIO address lines to access specified flash offset - * @state: GPIO flash state - * @ofs |